testing/rethinkdb: add missing patch

testing/rethinkdb/musl-fixes.patch

@@ -0,0 +1,95 @@
+--- ./src/rdb_protocol/geo/s2/util/math/exactfloat/exactfloat.cc.orig
++++ ./src/rdb_protocol/geo/s2/util/math/exactfloat/exactfloat.cc
+@@ -104,9 +104,9 @@
+ ExactFloat::ExactFloat(double v) {
+   BN_init(&bn_);
+   sign_ = signbit(v) ? -1 : 1;
+-  if (isnan(v)) {
++  if (std::isnan(v)) {
+     set_nan();
+-  } else if (isinf(v)) {
++  } else if (std::isinf(v)) {
+     set_inf(sign_);
+   } else {
+     // The following code is much simpler than messing about with bit masks,
+--- ./src/rdb_protocol/geo/s2/util/math/mathlimits.h.orig
++++ ./src/rdb_protocol/geo/s2/util/math/mathlimits.h
+@@ -195,11 +195,11 @@
+   static bool IsNegInf(const Type x) { return _fpclass(x) == _FPCLASS_NINF; }
+ #else
+ #define DECL_FP_LIMIT_FUNCS \
+-  static bool IsFinite(const Type x) { return !isinf(x)  &&  !isnan(x); } \
+-  static bool IsNaN(const Type x) { return isnan(x); } \
+-  static bool IsInf(const Type x) { return isinf(x); } \
+-  static bool IsPosInf(const Type x) { return isinf(x)  &&  x > 0; } \
+-  static bool IsNegInf(const Type x) { return isinf(x)  &&  x < 0; }
++  static bool IsFinite(const Type x) { return !std::isinf(x)  &&  !std::isnan(x); } \
++  static bool IsNaN(const Type x) { return std::isnan(x); } \
++  static bool IsInf(const Type x) { return std::isinf(x); } \
++  static bool IsPosInf(const Type x) { return std::isinf(x)  &&  x > 0; } \
++  static bool IsNegInf(const Type x) { return std::isinf(x)  &&  x < 0; }
+ #endif
+ 
+ // We can't put floating-point constant values in the header here because
+--- ./src/rdb_protocol/geo/s2/util/math/mathlimits.h.orig
++++ ./src/rdb_protocol/geo/s2/util/math/mathlimits.h
+@@ -14,7 +14,7 @@
+ #define UTIL_MATH_MATHLIMITS_H__
+ 
+ #include <string.h>
+-#include <math.h>
++#include <cmath>
+ #include <cfloat>
+ 
+ #include "rdb_protocol/geo/s2/base/basictypes.h"
+--- ./src/threading.hpp.orig
++++ ./src/threading.hpp
+@@ -1,6 +1,7 @@
+ #ifndef THREADING_HPP_
+ #define THREADING_HPP_
+ 
++#include <unistd.h>
+ #include "errors.hpp"
+ 
+ // A thread number as used by the thread pool.
+--- ./src/threading.hpp.orig
++++ ./src/threading.hpp
+@@ -2,6 +2,7 @@
+ #define THREADING_HPP_
+ 
+ #include <unistd.h>
++#include <sys/types.h>
+ #include "errors.hpp"
+ 
+ // A thread number as used by the thread pool.
+--- ./src/containers/printf_buffer.hpp.orig
++++ ./src/containers/printf_buffer.hpp
+@@ -5,6 +5,7 @@
+ #include <stdarg.h>
+ #include <stdio.h>
+ #include <string.h>
++#include <sys/types.h>
+ 
+ // Cannot include utils.hpp, we are included by utils.hpp.
+ #include "errors.hpp"
+--- ./src/containers/buffer_group.hpp.orig
++++ ./src/containers/buffer_group.hpp
+@@ -4,6 +4,7 @@
+ 
+ #include <stdlib.h>
+ #include <vector>
++#include <sys/types.h>
+ 
+ #include "errors.hpp"
+ 
+--- ./src/errors.cc.orig
++++ ./src/errors.cc
+@@ -87,7 +87,7 @@
+ }
+ 
+ const char *errno_string_maybe_using_buffer(int errsv, char *buf, size_t buflen) {
+-#ifdef _GNU_SOURCE
++#ifdef __GLIBC__
+     return strerror_r(errsv, buf, buflen);
+ #else
+     // The result is either 0 or ERANGE (if the buffer is too small) or EINVAL (if the error number